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Rapid determination of plasmid copy number
T Schmidt1, K Friehs, E Flaschel
1Lehrstuhl für Fermentationstechnik, Technische Fakultat, Universität Bielefeld, Germany.
Journal of Biotechnology
|August 20, 1996
Summary
A new rapid method allows for quick determination of plasmid copy number during recombinant microbial cultivation. This advancement enables real-time monitoring and potential process control for improved efficiency.
Area of Science:
- Biotechnology
- Molecular Biology
- Microbial Cultivation
Background:
- Plasmid copy number is critical for recombinant microbial cultivation efficiency.
- Existing methods for determining plasmid copy number are time-consuming and difficult to quantify.
- Indirect methods are prone to errors due to biological variability.
Purpose of the Study:
- To develop a rapid and accurate method for quantifying plasmid copy number.
- To enable the use of plasmid copy number for real-time process control in microbial cultivation.
Main Methods:
- Plasmid isolation using a commercial DNA-isolation kit.
- Quantification of isolated plasmid DNA via capillary electrophoresis.
- Development of a procedure to determine plasmid copy number in under 30 minutes.
Main Results:
- A novel method for plasmid copy number determination was successfully developed.
- The new method provides results in less than 30 minutes.
- The procedure combines efficient plasmid isolation with precise capillary electrophoresis quantification.
Conclusions:
- The developed method offers a rapid and reliable way to measure plasmid copy number.
- This technique has the potential to be integrated into process control strategies for recombinant microbial cultivation.
- Faster quantification of plasmid copy number can lead to optimized bioprocesses.